Home / 77,486.72-116,252.08-40,067.16

Finding the Fourth Proportional to 77,486.72, 116,252.08 and 40,067.16

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Solution

The fourth proportional to 77,486.72, 116,252.08 and 40,067.16 is: 60,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,486.72 : 116,252.08 = 40,067.16 : x
  2. Step 2: Convert to fraction form
    77,486.72/116,252.08 = 40,067.16/x
  3. Step 3: Cross multiply
    77,486.72x = 116,252.08 × 40,067.16
  4. Step 4: Simplify right side
    77,486.72x = 4,657,890,689.69
  5. Step 5: Solve for x
    x = 4,657,890,689.69/77,486.72
  6. Step 6: Final answer
    x = 60,112.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.